<template>
    <div class="top-category" v-if="topCategoryData">
        <div class="container">
            <!-- 面包屑 -->
            <XtxBread>
                <XtxBreadItem to="/">首页</XtxBreadItem>
                <Transition name="fade-right" mode="out-in">
                    <XtxBreadItem :key="topCategoryData.name">{{ topCategoryData.name }}</XtxBreadItem>
                </Transition>
            </XtxBread>
            <!-- 轮播图 -->
            <XtxCarousel :sliders="sliders" style="height:500px" />
            <!-- 所有二级分类 -->
            <div class="sub-list">
                <h3>全部分类</h3>
                <ul>
                    <li v-for="item in topCategoryData.children" :key="item.id">
                        <RouterLink :to="`/category/sub/${item.id}`">
                            <img :src="item.picture">
                            <p>{{ item.name }}</p>
                        </RouterLink>
                    </li>
                </ul>
            </div>
            <!-- 不同分类商品 -->
            <div class="ref-goods" v-for="item in topCategoryData.children" :key="item.id">
                <div class="head">
                    <h3>{{ item.name }}</h3>
                    <p class="tag">温暖柔软，品质之选</p>
                    <XtxMore />
                </div>
                <div class="body">
                    <GoodsItem v-for="good in item.goods" :key="good.id" :good="good" />
                </div>
            </div>
        </div>
    </div>
</template>
<script>
export default {
    name: 'TopCategory',
}
</script>
<script setup>
import { ref, watch } from 'vue'
import { findBanner } from '@/apis/home.js'
import { findTopCategory } from '@/apis/category'
import { useRoute } from 'vue-router'
import GoodsItem from './components/GoodsItem.vue'
// 轮播图
const sliders = ref([])
let topCategoryData = ref(null)
const router = useRoute()
findBanner(2).then(data => {
    sliders.value = data.result
})

watch(() => router.params.id, (id) => {
    findTopCategory({ id }).then(({ result }) => {
        topCategoryData.value = result
    }).catch(err => {
        console.log(err);
    })
}, { immediate: true })
</script>
<style scoped lang="less">
.top-category {
    h3 {
        font-size: 28px;
        color: #666;
        font-weight: normal;
        text-align: center;
        line-height: 100px;
    }

    .sub-list {
        margin-top: 20px;
        background-color: #fff;

        ul {
            display: flex;
            padding: 0 32px;
            flex-wrap: wrap;

            li {
                width: 168px;
                height: 160px;

                a {
                    text-align: center;
                    display: block;
                    font-size: 16px;

                    img {
                        width: 100px;
                        height: 100px;
                    }

                    p {
                        line-height: 40px;
                    }

                    &:hover {
                        color: @xtxColor;
                    }
                }
            }
        }
    }

    .ref-goods {
        background-color: #fff;
        margin-top: 20px;
        position: relative;

        .head {
            .xtx-more {
                position: absolute;
                top: 20px;
                right: 20px;
            }

            .tag {
                text-align: center;
                color: #999;
                font-size: 20px;
                position: relative;
                top: -20px;
            }
        }

        .body {
            display: flex;
            justify-content: flex-start;
            flex-wrap: wrap;
            padding: 0 65px 30px;
        }
    }
}
</style>